. >>> will ferrell does a little dove step. >> i feel like the directors had run out of ideas for will and said, you just will. >> find out what he's will-ing out for us, and see that. looks like the ground is moving. >> it looks like this tree is getting a big, old breath of air. >> the mystery of the breathing tree. at nature valley, we know nature comes together in amazing ways. that's why we bring together natural ingredients, like dark chocolate with toasted oats, or sweet golden honey. perfect combinations of nature's delicious ingredients, from nature valley. ♪ ♪ i was thinking that i hope this never ends ♪ [ female announcer ] nature valley granola bars, nature at its most delicious. >>> to anybody that has been on a rather scary flight, nothing compares to this. this is in the region of russia north of mongolia on a runway that would you call maybe muddy? slushy? this is an a.m.-24 turboprop trying to make a takeoff through what looks to be the mud bog at the county fair. >> looks like something you snee a special effects in a hollywood movie. >> this summer -- >> it's c